Exposure
- ID
- GRAVI.2025-03-17T07:32:00.212_2
- Header ID
- GRAVI.2025-03-17T07:32:00.212
- Date updated
- 2025-03-17 07:45:39 UTC+0000
- Release date
- 2026-03-17 07:45:38 UTC+0000
- UTC Start
- 2025-03-17 07:32:00.212
- UTC End
- 2025-03-17 07:38:00.212
- MJD Start
- 60751.31389134
- MJD End
- 60751.31805800667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.009922
- Ambient temperature (°C)
- 14.96
- Seeing (arcsec)
- 0.41500000000000004
Observation
- ID
- 65080
- Category
- science
- Program ID
- 114.270V.001
- Program Title
- THE GALACTIC CENTER WITH GRAVITY(+) - PROBING EVENT HORIZON SCALE PHYSICS WITH STARS AND FLARES
- Program Type
- GTO
- PI / COI
- EISENHAUER / GILLESSEN / GENZEL / OTT / WIDMANN / MANG / DRESCHER / RIBEIRO / SADUN BORDONI / STRAUBMEIER / GARCIA / PAUMARD / BOURDAROT / STURM / LUTZ / LE BOUQUIN / CAO / KREIDBERG / HOENIG / FOSCHI / PERRIN / CARDOSO / AIMAR / URSO / ABD EL DAYEM / ROU
Target
- ID
- 45257
- Name
- IRS16C
- RA
- 266.4170791666666
- DEC
- -29.007681388888887
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- U1 U2 U3 U4
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.2280 | 56.2290 | 0.3000 | 1.2000 |
| U1-U3 | 100.7070 | 100.7500 | 4.9000 | 6.0000 |
| U1-U4 | 114.6080 | 115.3360 | 28.0620 | 29.5090 |
| U2-U3 | 44.9030 | 44.9640 | 10.8000 | 12.0000 |
| U2-U4 | 69.9780 | 71.0330 | 50.0780 | 51.5630 |
| U3-U4 | 45.2530 | 46.3040 | 88.9910 | 89.7910 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 114.270V.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60751.31389134 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.417245 |
| DEC | -29.00785 |
| HIERARCH ESO INS SPEC RES | LOW |
| HIERARCH ESO INS POLA MODE | SPLIT |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | U1 |
| HIERARCH ESO ISS CONF STATION2 | U2 |
| HIERARCH ESO ISS CONF STATION3 | U3 |
| HIERARCH ESO ISS CONF STATION4 | U4 |
| EXPTIME | 389.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 12 |
| HIERARCH ESO ISS PBL12 START | 56.228 |
| HIERARCH ESO ISS PBL12 END | 56.229 |
| HIERARCH ESO ISS PBLA12 START | 0.3 |
| HIERARCH ESO ISS PBLA12 END | 1.2 |
| HIERARCH ESO ISS PBL13 START | 100.707 |
| HIERARCH ESO ISS PBL13 END | 100.75 |
| HIERARCH ESO ISS PBLA13 START | 4.9 |
| HIERARCH ESO ISS PBLA13 END | 6.0 |
| HIERARCH ESO ISS PBL14 START | 114.608 |
| HIERARCH ESO ISS PBL14 END | 115.336 |
| HIERARCH ESO ISS PBLA14 START | 28.062 |
| HIERARCH ESO ISS PBLA14 END | 29.509 |
| HIERARCH ESO ISS PBL23 START | 44.903 |
| HIERARCH ESO ISS PBL23 END | 44.964 |
| HIERARCH ESO ISS PBLA23 START | 10.8 |
| HIERARCH ESO ISS PBLA23 END | 12.0 |
| HIERARCH ESO ISS PBL24 START | 69.978 |
| HIERARCH ESO ISS PBL24 END | 71.033 |
| HIERARCH ESO ISS PBLA24 START | 50.078 |
| HIERARCH ESO ISS PBLA24 END | 51.563 |
| HIERARCH ESO ISS PBL34 START | 45.253 |
| HIERARCH ESO ISS PBL34 END | 46.304 |
| HIERARCH ESO ISS PBLA34 START | 88.991 |
| HIERARCH ESO ISS PBLA34 END | 89.791 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.010232 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.009612 |
| HIERARCH ESO ISS AMBI TEMP | 14.96 |
| HIERARCH ESO ISS AMBI FWHM START | 0.37 |
| HIERARCH ESO ISS AMBI FWHM END | 0.46 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |